Home / 10,040.81-13,839.02-6,677.61

Finding the Fourth Proportional to 10,040.81, 13,839.02 and 6,677.61

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Solution

The fourth proportional to 10,040.81, 13,839.02 and 6,677.61 is: 9,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.81 : 13,839.02 = 6,677.61 : x
  2. Step 2: Convert to fraction form
    10,040.81/13,839.02 = 6,677.61/x
  3. Step 3: Cross multiply
    10,040.81x = 13,839.02 × 6,677.61
  4. Step 4: Simplify right side
    10,040.81x = 92,411,544.95
  5. Step 5: Solve for x
    x = 92,411,544.95/10,040.81
  6. Step 6: Final answer
    x = 9,203.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.